Apply suggestion to soitool/serialize_export_import_soi.py

soitool/serialize_export_import_soi.py

@@ -324,8 +324,6 @@ def construct_modules_from_serialized(serialized_modules, database):
                 {"widget": FreeTextModule(size, data), "meta": module["meta"]}
             )
         elif module_type == "PhonebookModule":
-            size = module["size"]
-            data = module["data"]
             modules.append(
                 {"widget": PhonebookModule(size, data), "meta": module["meta"]}
             )